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Digipots refactor / cleanup (#19690)

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This commit is contained in:
Scott Lahteine
2020-10-11 14:58:35 -05:00
committed by GitHub
parent 349465b168
commit 492ba2a111
23 changed files with 240 additions and 187 deletions
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55
Marlin/src/module/stepper.cpp
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@@ -83,10 +83,6 @@ Stepper stepper; // Singleton
#define BABYSTEPPING_EXTRA_DIR_WAIT
#if HAS_MOTOR_CURRENT_PWM
bool Stepper::initialized; // = false
#endif
#ifdef __AVR__
#include "speed_lookuptable.h"
#endif
@@ -110,7 +106,7 @@ Stepper stepper; // Singleton
#include "../feature/dac/dac_dac084s085.h"
#endif
#if HAS_DIGIPOTSS
#if HAS_MOTOR_CURRENT_SPI
#include <SPI.h>
#endif
@@ -142,8 +138,12 @@ Stepper stepper; // Singleton
bool Stepper::separate_multi_axis = false;
#endif
#if HAS_MOTOR_CURRENT_PWM
uint32_t Stepper::motor_current_setting[3]; // Initialized by settings.load()
#if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
bool Stepper::initialized; // = false
uint32_t Stepper::motor_current_setting[MOTOR_CURRENT_COUNT]; // Initialized by settings.load()
#if HAS_MOTOR_CURRENT_SPI
constexpr uint32_t Stepper::digipot_count[];
#endif
#endif
// private:
@@ -2590,8 +2590,8 @@ void Stepper::init() {
set_directions();
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM
TERN_(HAS_MOTOR_CURRENT_PWM, initialized = true);
#if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
initialized = true;
digipot_init();
#endif
}
@@ -2930,10 +2930,10 @@ void Stepper::report_positions() {
* Software-controlled Stepper Motor Current
*/
#if HAS_DIGIPOTSS
#if HAS_MOTOR_CURRENT_SPI
// From Arduino DigitalPotControl example
void Stepper::digitalPotWrite(const int16_t address, const int16_t value) {
void Stepper::set_digipot_value_spi(const int16_t address, const int16_t value) {
WRITE(DIGIPOTSS_PIN, LOW); // Take the SS pin low to select the chip
SPI.transfer(address); // Send the address and value via SPI
SPI.transfer(value);
@@ -2941,7 +2941,7 @@ void Stepper::report_positions() {
//delay(10);
}
#endif // HAS_DIGIPOTSS
#endif // HAS_MOTOR_CURRENT_SPI
#if HAS_MOTOR_CURRENT_PWM
@@ -2958,7 +2958,7 @@ void Stepper::report_positions() {
#if ANY_PIN(MOTOR_CURRENT_PWM_E, MOTOR_CURRENT_PWM_E0, MOTOR_CURRENT_PWM_E1)
case 2:
#endif
digipot_current(i, motor_current_setting[i]);
set_digipot_current(i, motor_current_setting[i]);
default: break;
}
}
@@ -2968,22 +2968,23 @@ void Stepper::report_positions() {
#if !MB(PRINTRBOARD_G2)
#if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM
#if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
void Stepper::digipot_current(const uint8_t driver, const int16_t current) {
void Stepper::set_digipot_current(const uint8_t driver, const int16_t current) {
if (WITHIN(driver, 0, COUNT(motor_current_setting) - 1))
motor_current_setting[driver] = current; // update motor_current_setting
#if HAS_DIGIPOTSS
if (!initialized) return;
#if HAS_MOTOR_CURRENT_SPI
//SERIAL_ECHOLNPAIR("Digipotss current ", current);
const uint8_t digipot_ch[] = DIGIPOT_CHANNELS;
digitalPotWrite(digipot_ch[driver], current);
set_digipot_value_spi(digipot_ch[driver], current);
#elif HAS_MOTOR_CURRENT_PWM
if (!initialized) return;
if (WITHIN(driver, 0, COUNT(motor_current_setting) - 1))
motor_current_setting[driver] = current; // update motor_current_setting
#define _WRITE_CURRENT_PWM(P) analogWrite(pin_t(MOTOR_CURRENT_PWM_## P ##_PIN), 255L * current / (MOTOR_CURRENT_PWM_RANGE))
switch (driver) {
case 0:
@@ -3019,17 +3020,13 @@ void Stepper::report_positions() {
void Stepper::digipot_init() {
#if HAS_DIGIPOTSS
static const uint8_t digipot_motor_current[] = DIGIPOT_MOTOR_CURRENT;
#if HAS_MOTOR_CURRENT_SPI
SPI.begin();
SET_OUTPUT(DIGIPOTSS_PIN);
LOOP_L_N(i, COUNT(digipot_motor_current)) {
//digitalPotWrite(digipot_ch[i], digipot_motor_current[i]);
digipot_current(i, digipot_motor_current[i]);
}
LOOP_L_N(i, COUNT(motor_current_setting))
set_digipot_current(i, motor_current_setting[i]);
#elif HAS_MOTOR_CURRENT_PWM